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Patent Searching and Data


Title:
CONTROL VALVE FOR VARIABLE DISPLACEMENT COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2018/004244
Kind Code:
A1
Abstract:
The present invention relates to a control valve for a variable displacement compressor, comprising: a body having a receiving space formed therein, in which a first port communicating with a crank chamber of the variable displacement compressor, a second port communicating with a discharge chamber of the variable displacement compressor, and a third port communicating with a suction chamber of the variable displacement compressor are formed; a valve body having a first valve portion formed thereon and being installed to be movable forward and backward; a plunger of a magnetic material fixed to the valve body; a coil for moving the plunger forward and backward; and a pressure sensitive body for correcting a forward and backward displacement of the valve body according to a pressure change of the suction chamber transmitted through the third port, wherein the plunger is installed outside the coil, and a magneto-dielectric of a non-magnetic material for inducing a magnetic force may be installed between the coil and the plunger.

Inventors:
GUK MU SUNG (KR)
HONG TAE HO (KR)
HWANG SEONG HWAN (KR)
KANG DONG SOO (KR)
PARK JANG SIK (KR)
Application Number:
PCT/KR2017/006806
Publication Date:
January 04, 2018
Filing Date:
June 28, 2017
Export Citation:
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Assignee:
DONG IL MACHINERY CO LTD (KR)
International Classes:
F04B27/14; F04B53/10; F16K31/06; H01F7/16
Foreign References:
KR20060043852A2006-05-15
KR20160024035A2016-03-04
KR20150006407A2015-01-16
KR101370736B12014-03-10
JP2005273548A2005-10-06
Attorney, Agent or Firm:
KIM, Han et al. (KR)
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